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A cat food manufacturer claims that 9 out of 10 cats prefer their food. A test with 250 cats was run with this brand and three other brands. The Alpha level was set at .05 and the analysis was made using 1 sample proportion test. The results were: N = 250, X = 130 (130 cats preferred the brand tested) Sample p = 0.5200 95 C.I. (0.456, 0.583) What can you conclude from this information?   Reject the Null Hypothesis; 57% of the cats prefer the brand tested   Fail to reject Null Hypothesis; 90% of cats prefer the brand tested   Only 95% prefer the brand tested   Fail to Reject Null Hypothesis; P-value is larger than 0.05

A cat food manufacturer claims that 9 out of 10 cats prefer their food. A test with 250 cats was run with this brand and three other brands. The Alpha level was set at .05 and the analysis was made using 1 sample proportion test. The results were: N = 250, X = 130 (130 cats preferred the brand tested) Sample p = 0.5200 95 C.I. (0.456, 0.583) What can you conclude from this information?   Reject the Null Hypothesis; 57% of the cats prefer the brand tested   Fail to reject Null Hypothesis; 90% of cats prefer the brand tested   Only 95% prefer the brand tested   Fail to Reject Null Hypothesis; P-value is larger than 0.05

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A cat food manufacturer claims that 9 out of 10 cats prefer their food. A test with 250 cats was run with this brand and three other brands. The Alpha level was set at .05 and the analysis was made using 1 sample proportion test. The results were:

N = 250, X = 130 (130 cats preferred the brand tested)
Sample p = 0.5200
95 C.I. (0.456, 0.583)

What can you conclude from this information?

 

Reject the Null Hypothesis; 57% of the cats prefer the brand tested

 

Fail to reject Null Hypothesis; 90% of cats prefer the brand tested

 

Only 95% prefer the brand tested

 

Fail to Reject Null Hypothesis; P-value is larger than 0.05

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